khode, sheetal, and Dr.Parag Dalal. “DRINKING WATER PURIFICATION WITH OZONATION PROCESS IN UJJAIN CITY (M.P.)”. IJRDO -JOURNAL OF HEALTH SCIENCES AND NURSING 3, no. 5 (May 31, 2018): 61-67. Accessed November 17, 2024. http://webmail.ijrdo.org/index.php/hsn/article/view/2056.